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D 音标拼音: [d'i] n. 字母 D字母 Dd adj 1: denoting a quantity consisting of 500 items or units [ synonym: { five hundred}, { 500}, { d}] n 1: a fat- soluble vitamin that prevents rickets [ synonym: { vitamin D}, { calciferol}, { viosterol}, { ergocalciferol}, { cholecalciferol}, { D}] 2: the cardinal number that is the product of one hundred and five [ synonym: { five hundred}, { 500}, { D}] 3: the 4th letter of the Roman alphabet [ synonym: { D}, { d}] Mute \ Mute\, n. 1. One who does not speak, whether from physical inability, unwillingness, or other cause. Specifically: ( a) One who, from deafness, either congenital or from early life, is unable to use articulate language; a deaf- mute. ( b) A person employed by undertakers at a funeral. ( c) A person whose part in a play does not require him to speak. ( d) Among the Turks, an officer or attendant who is selected for his place because he can not speak. [ 1913 Webster] 2. ( Phon.) A letter which represents no sound; a silent letter; also, a close articulation; an element of speech formed by a position of the mouth organs which stops the passage of the breath; as, { p}, { b}, { d}, { k}, { t}. [ 1913 Webster] 3. ( Mus.) A little utensil made of brass, ivory, or other material, so formed that it can be fixed in an erect position on the bridge of a violin, or similar instrument, in order to deaden or soften the tone. [ 1913 Webster]
D \ D\ ( d[= e]) 1. The fourth letter of the English alphabet, and a vocal consonant. The English letter is from Latin, which is from Greek, which took it from Ph[ oe] nician, the probable ultimate origin being Egyptian. It is related most nearly to t and th; as, Eng. deep, G. tief; Eng. daughter, G. tochter, Gr. qyga` thr, Skr. duhitr. See Guide to Pronunciation, [ root] 178, 179, 229. [ 1913 Webster] 2. ( Mus.) The nominal of the second tone in the model major scale ( that in C), or of the fourth tone in the relative minor scale of C ( that in A minor), or of the key tone in the relative minor of F. [ 1913 Webster] 3. As a numeral D stands for 500. in this use it is not the initial of any word, or even strictly a letter, but one half of the sign ? ( or ? ) the original Tuscan numeral for 1000. [ 1913 Webster] |
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